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fanta i cette @met @fitta Diniusv corr, `or PAWT'UGKET, RH can ISLAND..l l V 'lul-ettaro Patent No. 80,724, dated .Attytst 4, 1868. .l l

IMPROVEMENT 1N u-AeHINrnY ron rcKrN'e AND snPANirINe corren-WASTE.

tite thehnle ref rtnr tf1-iu time ittttets mail tnt mnlirrgpnrt nf thestmt. n

TO ALL WHOM IT MAY CONCERN: t t

Beitlrnown that I, DARIUS Gorrgof Pawtucket', `in the county ofProvidence, and Stateof Rhode Island, have invented a'new and usefulImprovement in Machinery for Picking andSeparatingCotton-Waste; and'I dohereby declare that the following is a full, clear, and. exact'description of the' same, referencebeing hadto theaccompanyingdrawings, mahing partof this speciicatiomin which* l Figure1 is a side elevationrand section of my improved machine. Figure2 is'afull-size view of one'oi` lthe clatv-hook teeth, hereinafter mentioned.Similar letters indicate like parts in both the figures. c

The mater-,ial-feottomwastewhieh my improved machine is designed teprepare, consists of themass of l spun cotton and` thread and looseunspun cotton and roving, which accumulatesin cotton-mannfactories. lIt;is collected in considerahle quantities, and picked open, and thennspnncotton, or'SOftWaSte, separated from the yarn and thread, the former tohe manufactured into low` grades of cotton goods, wedding, and-such likefabrics, and the latter to he used for cleaning machinery, and for otherpurposes.

And the object-of my improved machine is to facilitate the picking andseparating oi' this material, in order l the-better to prepare it forthese purposes, and -the more 4eigaerlitionsly. I'

My invention consists, first, of an enclosed cylinder, armed with stoutclaw-lieoited teeth, so constructed and set in` the periphery thereof,that when. the Waste is properly presented by suitable mechanism, Whilethe cylinder is revolving rapidly, the bunches of spun yarn and threadwill he caught by the revolving teeth, and "disentangled, and iveunduponhthe cylinder, while the un'spun portion of the lwaste will beseparated and thrown t'il' from the cylinder and dischargedfrom themachine. Y

, My `invention also consists in constructing the casing or jacket whichen closes the said'cylinder with. an

opening across its Face, and a door forclosing'the same, for the purposeodiscllarging the soft or unspun waste, and of doing orstripping the lapof picked waste from the cylinder when the teeth become filled. 4 v lMyinvention also comprehends a device for feeding the rough waste to thetoothed cylinder in such a. manner that, while the massof waste is heldin a sort of throat formed between the feeding-device andthecyl-- inder,the portion oi' the yarns and threads .which is caught hy therevolvingvteeth may he easily drawn out of the mass, Aand ivoundparallel to each other on the cylinder, instend of breaking and tearingthe mass asunder, and lbreaking it's libre.. This device consists of afeed-roll, set with stout inclined pegs or teeth, and a shell (socalled) for'conductfing` the mass of waste to the cylinder, and e.stripper or retaining-bar, (so callech) consisting of a stili,permanent'bar'ol` metal, generally suspended 'between the feed-rollerand cylinder, in such a manner thatphy slowly revolving thefecd-roller,the-waste is carried under the shell and heneaththe retainingbar orstripper, where it is delivered Vtothecylinder-teeth, which, inrevolving, catch and draw the threads or .spun portionacress theretainingbar, while the mass is confined or held hack by the teeth ofthe @one slowly revolving feed-roller; and thus the portion caught ispicked and drawn out of the mass, and woirr'i'dnpon the cylinderintheform of a lap, i e l v To enable others skilled in the art to make"and use my invention, l will proceed te .describe the same.

In the said drawings, B is the cylindemwhich is mounted .in a stentframe, F, to revolve on the shaft D, in suitable boxes upon cach side,and mis the casing, `in whiclivthe eylinderis completely enclosed,having an opening, H, that is closed b'y the door E. l l

The periphery of thecylinder is set with rows of stout steel hookedteeth, l), in such a. manner that their points shall travel foremost ina line coneentrim'or nearly so, with the surface of the cylinder..

G is the feed-roller, which 'revolves quite slowly, by motioncommunicated bythe hand l't,-.'rom-the pulley on the cylinder-shaft D,to the pulley I, and thence, through the 'pinion g, to the gearf(represented by dotted lines) on the end of the feed-roller shaft. l I i'The `surface of theiecd-roller is set with ro'ws ei short, inclined`pegs' or teeth, t, which are inclined in the v y opposite direction fromthat in which the said roller revolves, as indicated by 'thearrowinarked thereon.

The shell S is arranged over the feed-roller-threughout its length,affording a suitable space between it and the roller, for the passage ofthe mass of the wasteby the action of the. roller, and'extends downbetween the vfeed-roller and th; cylinder, to form the stripper orretaining-bar R, which extends into the throat or space between thecylinder and roller, midway between each, along the entire face'of thesame.

The rough waste is spread evenly on the endless apron N, that isstretched over the two rollers C, which revolve slowly in the directionindicated, which movement, being imparted tothe apron, movesthe wastethereon forward, and delivers it to the feed-roller G. Here the waste isbrought into contact with the pegs or hooks t, which carry tl1e.u'asteunder the shell S, and thence into the throat T, beneath the stripper R.Here the waste is presented to the action of the cylinder-hooks L, bywhich portions of the waste are caught and drawn, by a short turn roundthe stripper R, which, together with theinclined pegs or hooks t,detains the mass of thewaste, and holds it with sufiicient firmness topermit the hooks L, with their more rapid movement, to draw out the yarnand thready waste in the manner shown at A, iig. l, and strip it uponthe hooks, and finally wind it upon the cylinder as it revolves. 'i

It will be readily understood that the method employed or described, ofholding on to thel waste by means of the hooks t, and the sharp turn orbig-ht formed in the waste bythe stripper It, while it holds the massfirmly, it permits thc shreds or strings ofthe waste to render aroundthe hoolis t and the stripper R, and as Well around the hooks L of thecylinder, and that in this way-the shreds or threads are drawn out, or,as it were, disentangled, instead of being torn asunder and broken intoshcrtstul; and it is this peculiarity of the operation ofthefeeding-device whichdistinguishes it from all others with which I amacquainted, and te which the desirable result of preserving the fibre orstapleof the waste from being broken to any injurious extent, is mainlydue.-

I have heretofore employed a pair of iluted feeding-rolls, between whichthe rough waste passedfand was delivered to the cylinder-hooks, but itwas found that such rolls so griped and confined the waste thateitherbunchesbt` unpicked waste were wrestcd by superior force fromthesciutedrolls, or that the waste was broken off short, and the original lengthof fibre or staple destroyed, and the quality and usefulness of thewaste pro portionablT impaired. l l Y The unspun cotton and roving whichexists in considerable quantities in spiuners waste, so called, is insmall clots or bunggies, and is of a lighter or more volatile naturethan the bulk of the waste; so that while the hooks L are admirablyadapted to pick open and untangle the yarn and thread constituting thelibre ofthe waste, this soft waste escapcstheir action almost entirely,and, to the contrary, it is thrown bythe fanning action of the cylinderagainst the surrounding easing, and is whirled or carried round with thecylinder until ,it escapes at the opening H, in the casing provided frthat purpose, as shown in iig. 1.

The shape and curvature ofthe cylinder-hooks L are ot` great importancetothe successful operation et' the machine, as herein described, forwhile the shape of hook shown in fig. 2 (which is the best shape vandprdportion yet arrived at) willeatch and draw'out; with but littlebreaking', hunks of spun-waste, and retain and wind the threads parallelto each other upon 'the cylinder, a shorter hook, or one having lesscurvature, or being straightcr, will simply scratch or. beat the wasteinstead of retaining its hold, and d raw ont thethreads to some lengthfrom the mass. Such hooks, also, for the same reason, are incapable ofdrawing away the threads and separating them from the cotton, but arerather calculated to reduce the muss of waste to short stuff and mix thetufts ef cotto-.i and unspun material with it. The hook, iig. 2,occupies, aswill be seen, a little more than a quarter of a circle atits inner curvature, which is a desirable shape, and calculated toproduce goed results; .that is, the inner surface or curve oftheclaw-hooks which projects from the surface of the cylinder has a truecurve., or nearly so, with their points terminating in aplane concentricwith the cylinders surface, and, if con-A tinued, would describe a halt`circle between these two concentric planes. In making hooks to contain alap of greater or less thickness, about this proportion should bepreserved. Y v

When this machine is used for picking and disentangling spun-waste only,as in preparing cop-waste and other kinds which are without anyadmixturc of unspun cotton, the door over the'opening in the easing orjacket m remains closed during'the operation, whereby the shorterportions of the' waste, which the hooked teeth do not` catch and retain,are'c'onined inthe space between the casing and the cylinder, instead ofbeing thrown olf; and are ultimately all combined with the long waste,as'it is wound upon the'cylinder, and incorporated with it, and thuspreserved to be used-with and for the same purpose as the longer fibres.

What I claim, anddesire to secure by Letters Patent, is-

l. A cylinder, B, armed with claw-hooked teeth, L, so 'constructedthatwhen set, their points shall all travel foremest as the cylinderrevolves substantially in'a line concentric with the surfaceof thecyiinder, in combination with the feed-roller G, or other suitablefeeding-mechanism, as described.

2.i 4'.lhe combination of the cylinder B,Ias described,'with a casing orjacket', m, constructed with -nsuitabl'e opening, H, and a door forclosing the same, substantially as and for the purpose specified.

3. The combination of the cylinder B, as described, with thefeed-rollex` G and retaining-bar R, or other suitable mechanism fordelivering and retaining hold of the material, substantially asdescribed, while it is subjected to the action of the cylinder, asspecified. y i i DARIUS GOFF. Witnesses:

"Isaac A. Bnownnm..

WILLIAM BROWNELL.

